Simulated live-action sand table
By introducing positioning support components and a rotating display mechanism into the sand table, and using servo motors and sensors to achieve automatic rotation of the sand table, the problem of poor display effect of existing sand tables is solved, the display efficiency is improved, and the needs of efficient communication and accurate decision-making in municipal planning and construction are met.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-03-24
AI Technical Summary
The existing sand table display is ineffective, requiring participants to walk around the sand table to observe from multiple angles, which is time-consuming and energy-intensive, and cannot meet the needs of efficient communication and accurate decision-making in municipal planning and construction.
A simulated real-world sand table was designed. By setting positioning support components and a rotating display mechanism at the bottom of the display platform, and using a servo motor to drive the rotating disk and arc rod, combined with springs and trigger sensors, the display platform can be automatically rotated and stopped in time, thereby improving the display effect.
It enables automatic rotation and display of the sand table, reducing manual operation time, improving display efficiency, and meeting the needs of efficient communication and accurate decision-making in municipal planning and construction.
Smart Images

Figure CN224023269U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sand table technical field especially, relate to a kind of simulation real scene sand table. BACKGROUND
[0002] Sand table is originally according to topographic map, aerial photograph or field topography, according to certain proportion with mud sand, plastic material etc. The topography and geomorphology model is made, belongs to physical model, is widely used in military, building, city planning and many other fields, can intuitively present geographical environment, building layout and other key information. In municipal engineering field, cover complex elements such as road laying, underground pipe network layout, park and public facilities construction. With the aid of sand table, these complicated and abstract municipal planning and design concepts can be concretized into intuitive three-dimensional model, which provides strong support for project research and scheme display. However, most of the existing sand tables are fixed, and when used in actual municipal project display and research scene, participants need to walk around the sand table to achieve multi-angle observation of the three-dimensional model, which is extremely inconvenient, not only consumes time and energy, but also greatly reduces the display effect of the sand table in municipal engineering, making it difficult to fully meet the efficient communication and accurate decision-making needs in the process of municipal planning and construction. SUMMARY
[0003] The main purpose of the utility model is to provide a kind of simulation real scene sand table, to solve the problem that most of sand table in prior art is fixed, and multi-angle observation of three-dimensional model needs to walk around sand table when actually observing, and the display effect of sand table is poor.
[0004] To achieve the above purpose, the utility model provides the following technical scheme:
[0005] A kind of simulation real scene sand table, the sand table includes display platform;Positioning support assembly is arranged at the bottom of the display platform, and the positioning support assembly is used to support display platform;Rotary display mechanism is installed on the positioning support assembly, and the rotary display mechanism is used to drive display platform to rotate and improve display effect;Protective assembly is arranged on the rotary display mechanism, and the protective assembly is used to stop display platform in time after display platform rotation is resisted.
[0006] As a further improvement of the utility model, the positioning support assembly includes a plurality of support legs arranged below the display platform, and the top of the plurality of support legs is fixedly connected with a bottom plate, the bottom plate is fixedly connected with a fixed ring at the top, a moving ring is arranged on the fixed ring, and the moving ring is fixedly connected to the bottom of the display platform.
[0007] As a further improvement of the utility model, the outer side of the moving ring is provided with a limiting ring, the limiting ring is fixedly connected at the top of the fixed ring, a plurality of groups of ball bearings are installed at the bottom of the moving ring, and the ball bearings are arranged to roll on the fixed ring.
[0008] As a further improvement of the utility model, the rotating display mechanism comprises a servo motor installed at the bottom of the bottom plate, the output end of the servo motor penetrates through the bottom plate and is fixedly connected with a rotating disc, the top of the rotating disc is fixedly connected with four groups of fixed blocks, arc-shaped rods are fixedly connected between the two groups of fixed blocks on the same side, sliding blocks are slidingly connected on the arc-shaped rods, and the sliding blocks are fixedly connected at the bottom of the display platform.
[0009] As a further improvement of the utility model, two groups of springs are installed on the arc-shaped rods, and the two groups of springs are located on the two sides of the sliding blocks.
[0010] As a further improvement of the utility model, the protection assembly comprises two groups of contact plates fixedly connected on the inner side of the sliding blocks, a plurality of groups of mounting plates are fixedly connected at the top of the rotating disc, and trigger sensors are installed on the side, close to the contact plates, of the mounting plates.
[0011] As a further improvement of the utility model, a controller is installed at the bottom of the bottom plate, and the plurality of groups of trigger sensors and the servo motor are electrically connected with the controller.
[0012] The utility model discloses a positioning support assembly is arranged at the bottom of the display platform, through the setting of fixed ring, moving ring, limiting ring and ball bearing, the display platform can keep in situ rotation, and the friction received when rotating is small, and the display platform is convenient to drive, through the setting of rotating display mechanism, after the start of servo motor, rotating disc is driven to rotate, and fixed block and arc-shaped rod are driven to rotate simultaneously, under the elastic force of spring, sliding block is driven to rotate simultaneously, thereby making the display platform rotate, improve the display effect of display platform, when the display platform rotates and contacts other objects and hinders the rotation of the display platform, the spring is continuously compressed, when the contact plate contacts the trigger sensor, the trigger sensor sends a signal to the controller, and the controller controls the servo motor to stop in time, to prevent the structure from being damaged due to the continuous work of the servo motor. ACCURACY OF DRAWINGS
[0013] Figure 1 Give the structure schematic diagram of the utility model kind of simulation real scene sand table;
[0014] Figure 2 For Figure 1 The cross-sectional structure schematic diagram;
[0015] Figure 3 It is the structure schematic diagram of rotating display mechanism;
[0016] Labeling Explanation: 1. Display Platform;
[0017] 2. Positioning support assembly; 21. Support leg; 22. Base plate; 23. Fixed ring; 24. Moving ring; 25. Limiting ring; 26. Ball bearing;
[0018] 3. Rotating display mechanism; 31. Servo motor; 32. Rotating disk; 33. Fixed block; 34. Arc rod; 35. Slider; 36. Spring;
[0019] 4. Protective components; 41. Contact plate; 42. Mounting plate; 43. Trigger sensor; 44. Controller. Detailed Implementation
[0020] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.
[0021] like Figures 1 to 3 As shown, this embodiment provides an example of a simulated real-world sand table. In this embodiment, the sand table includes a display platform 1, which is used to display a three-dimensional model of the municipal planning.
[0022] Furthermore, the aforementioned sand table also includes a positioning support component 2 located at the bottom of the display platform 1. The positioning support component 2 supports the display platform 1 and includes four sets of support legs 21 located below the display platform 1. A base plate 22 is fixedly connected to the top of each of the four sets of support legs 21, providing support for the base plate 22. A fixed ring 23 is fixedly connected to the top of the base plate 22, and a movable ring 24 is mounted on the fixed ring 23. The movable ring 24 is fixedly connected to the bottom of the display platform 1, and a limit ring 25 is provided on the outer side of the movable ring 24. The limit ring 25 is fixedly connected to the top of the fixed ring 23 to ensure the stability of the movable ring 24, thereby ensuring smooth rotation of the display platform 1. Multiple sets of ball bearings 26 are installed at the bottom of the movable ring 24. The ball bearings 26 roll along the fixed ring 23, reducing friction while providing support for the movable ring 24.
[0023] Further, the sand table further comprises a rotating display mechanism 3 installed on the positioning support assembly 2, and the rotating display mechanism 3 is used to drive the display platform 1 to rotate and improve the display effect. The rotating display mechanism 3 comprises a servo motor 31 installed on the bottom of the bottom plate 22, and the position of the servo motor 31 is fixed. The output end of the servo motor 31 penetrates through the bottom plate 22 and is fixedly connected with a rotating disc 32, and the servo motor 31 drives the rotating disc 32 to rotate after being started. The top of the rotating disc 32 is fixedly connected with four groups of fixed blocks 33, and the fixed blocks 33 synchronously rotate with the rotating disc 32. The two groups of fixed blocks 33 on the same side are fixedly connected with an arc-shaped rod 34, and the arc-shaped rod 34 synchronously rotates with the rotating disc 32. The arc-shaped rod 34 is slidably connected with a sliding block 35, and the sliding block 35 is fixedly connected to the bottom of the display platform 1. The sliding block 35 slides on the arc-shaped rod 34 and simultaneously drives the display platform 1 to rotate. Two groups of springs 36 are sleeved and installed on the arc-shaped rod 34, and the two groups of springs 36 are located on the two sides of the sliding block 35, respectively. The spring 36 is used to release the elastic force, so that the fixed block 33 and the arc-shaped rod 34 can drive the sliding block 35 to rotate when rotating, so as to drive the display platform 1 to synchronously rotate when the servo motor 31 drives the rotating disc 32 to rotate.
[0024] Finally, the sand table comprises a protection assembly 4 arranged on the rotating display mechanism 3, and the protection assembly 4 is used to timely stop the display platform 1 when the display platform 1 is subjected to resistance during rotation. The protection assembly 4 comprises two groups of contact plates 41 fixedly connected to the inner side of the sliding block 35, and the sliding block 35 drives the contact plates 41 to synchronously move when moving. The top of the rotating disc 32 is fixedly connected with a plurality of mounting plates 42, and the mounting plate 42 is arranged with a trigger type sensor 43 on the side close to the contact plate 41, so that when the display platform 1 is affected by external force and stops moving, the servo motor 31 drives the rotating disc 32, the fixed block 33 and the arc-shaped rod 34 to synchronously move, and at this time, the position of the sliding block 35 is fixed, so that the fixed block 33 is close to the sliding block 35 and presses the spring 36, until the trigger type sensor 43 contacts with the contact plate 41, and the trigger type sensor 43 sends a signal. The bottom of the bottom plate 22 is provided with a controller 44, and a plurality of trigger type sensors 43 and the servo motor 31 are electrically connected with the controller 44, and the controller 44 is used to receive the signal sent by the trigger type sensor 43, and timely stop the servo motor 31, so as to prevent the servo motor 31 from continuously working when the display platform 1 is subjected to external resistance, thereby preventing the structure from being damaged.
[0025] The utility model discloses a servo motor 31 is started to drive rotary disc 32 rotation, thereby the synchronous rotation of fixed block 33 and arcuate rod 34 of rotary disc 32 installation, and under the spring 36 elasticity effect, drive slider 35 synchronous rotation, thereby slider 35 drive display platform 1 to rotate, and display platform 1 starts to rotate and carries out the comprehensive display of three-dimensional model.
[0026] The above detailed description of the specific embodiments of the utility model is only as an example, and the utility model is not limited to the above described specific embodiments. Any equivalent modification or replacement of the utility model for the person skilled in the art is also within the scope of the utility model, and therefore, the equivalent transformation, modification, improvement, etc. made without departing from the spirit and principle range of the utility model should be covered in the scope of the utility model.
Claims
1. A simulated real-world sand table, characterized in that, The sand table includes: Display platform (1); The positioning support component (2) is disposed at the bottom of the display platform (1) and is used to support the display platform (1); The rotating display mechanism (3) is installed on the positioning support assembly (2), and the rotating display mechanism (3) is used to drive the display platform (1) to rotate to improve the display effect; The protective component (4) is installed on the rotating display mechanism (3) and is used to stop the display platform (1) in time after the rotation of the display platform (1) is resisted.
2. The simulated real-scene sand table according to claim 1, characterized in that, The positioning support component (2) includes multiple sets of support legs (21) disposed below the display platform (1). The top of the multiple sets of support legs (21) is fixedly connected to a base plate (22). A fixing ring (23) is fixedly connected to the top of the base plate (22). A movable ring (24) is disposed on the fixing ring (23). The movable ring (24) is fixedly connected to the bottom of the display platform (1).
3. The simulated real-scene sand table according to claim 2, characterized in that, A limiting ring (25) is provided on the outer side of the movable ring (24). The limiting ring (25) is fixedly connected to the top of the fixed ring (23). Multiple sets of balls (26) are installed at the bottom of the movable ring (24). The balls (26) are rolled on the fixed ring (23).
4. The simulated real-scene sand table according to claim 2, characterized in that, The rotating display mechanism (3) includes a servo motor (31) installed at the bottom of the base plate (22). The output end of the servo motor (31) passes through the base plate (22) and is fixedly connected to a rotating disk (32). Four sets of fixing blocks (33) are fixedly connected to the top of the rotating disk (32). An arc rod (34) is fixedly connected between two sets of fixing blocks (33) on the same side. A slider (35) is slidably connected on the arc rod (34). The slider (35) is fixedly connected to the bottom of the display platform (1).
5. The simulated real-scene sand table according to claim 4, characterized in that, Two sets of springs (36) are fitted onto the arc-shaped rod (34), and the two sets of springs (36) are located on both sides of the slider (35).
6. The simulated real-scene sand table according to claim 5, characterized in that, The protective component (4) includes two sets of contact plates (41) fixedly connected to the inside of the slider (35), and multiple sets of mounting plates (42) fixedly connected to the top of the rotating disk (32). A trigger sensor (43) is installed on the side of the mounting plate (42) near the contact plate (41).
7. The simulated real-scene sand table according to claim 6, characterized in that, A controller (44) is installed at the bottom of the base plate (22), and multiple sets of trigger sensors (43) and servo motors (31) are electrically connected to the controller (44).